name	var
description	使用 VAR 分析多个时间序列的动态关系（forecast 向量自回归）
icon	🔗
allowedTools	["get_schema","query_data","run_analysis","generate_chart"]

VAR 分析

确认多个同步时间序列、频率和滞后范围，检查平稳性与样本长度。报告滞后选择、预测表现和动态响应；将格兰杰关系表述为预测信息而非因果证明。

Use get_schema to identify multiple time-aligned target series, the time column, and source table.
Use query_data only to verify frequency alignment, missing periods, stationarity preparation needs, and sample length.
Use run_analysis with analysis_name="Time_Series_VAR" for the actual VAR computation.
Use generate_chart on forecast, lag, or response result tables after run_analysis succeeds.

var